o1.ptr8547.lexisnexisrisk.com has no NS records.
NS records for this zone are defined at lexisnexisrisk.com.
NS records for this zone are defined at lexisnexisrisk.com.
Question and response
Question
dig o1.ptr8547.lexisnexisrisk.com. NS
Answer
The response has no answer records.
Authority
lexisnexisrisk.com. 1800 SOA hassan.ns.cloudflare.com. dns.cloudflare.com. 2399851750 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0